[CentOS] /etc/sysctl.conf edit not permanent
Barry Brimer
lists at brimer.org
Thu May 29 00:53:08 UTC 2008
> Hi,
> I added the following to /etc/sysctl.conf:
> net.ipv4.ip_forward = 1
> sysctl -p does not show any errors.
>
> So after a #service network restart, I see this:
> Shutting down interface eth0: [ OK ]
> Shutting down loopback interface: [ OK ]
> Disabling IPv4 packet forwarding: net.ipv4.ip_forward = 0
> [ OK ]
> Bringing up loopback interface: [ OK ]
> Bringing up interface eth0: [ OK ]
> Bringing up interface eth1:
> Determining IP information for eth1... done.
>
> But a sysctl -p shows the right info after? Is this behavior normal?
I have seen the same thing. I think what is happening is that when you
restart networking, it disables packet forwarding. When you start it, it
will re-enable. After you start the network type:
"/sbin/sysctl net.ipv4.ip_forward"
I expect that you will see "net.ipv4.ip_forward = 1"
Please confirm.
Barry
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